The invention discloses an automobile crane luffing hydraulic loop system. The system comprises an oil tank, a filter, a motor, a first hydraulic pump, a first overflow valve, a balance valve, a linkage reversing valve, a first luffing hydraulic cylinder, and a second luffing hydraulic cylinder. The oil tank is connected to the filter, the filter is connected to the first hydraulic pump, the motor is connected to the first hydraulic pump, one end of the first overflow valve is connected to the oil tank, the other end of the first overflow valve is connected to the first hydraulic pump, the first hydraulic pump is connected to the linkage reversing valve through a first branch, the linkage reversing valve is connected to the balance valve through a second branch, and the linkage reversing valve also individually communicates with one end of the first luffing hydraulic cylinder and one end of the second luffing hydraulic cylinder through a third branch. The provided automobile crane luffing hydraulic loop system can make the luffing movement stable and reliable.


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    Title :

    Automobile crane luffing hydraulic loop system


    Contributors:

    Publication date :

    2015-04-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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